| Code | Character | Note |
| ⑴ | Internal code | P: Passive components: capacitor |
| ⑵ | Function of capacitor | A: Alternate capacitor, D: Direct capacitor |
| ⑶⑷⑸ | Diameter and order number | R: Square; ⑷⑸ Order number |
| ⑹ | Version of product | A: First version; B: Second version, etc; S: Special product |
| ⑺⑻⑼ | Rated voltage | For examples: 062=6×102=600V, 112=11×102=1100V |
| ⑽⑾⑿⒀ | Rated capacitance (unit: μF) | For examples: 0421=42×101=420μF, 1061=106×101=1060μF |
| ⒁ | Tolerance of capacitance | J=±5% ； K=±10% ； |
| ⒂ | Terminals | T: Internal thread, Z: internal stud, J: integrated type |
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